Abstract
The purpose of this study was to determine aqueous vascular endothelial growth factor (VEGF) and interleukin-8 (IL-8) levels in patients with central serous chori-oretinopathy (CSC) before a single intravitreal bevacizumab injection. Twelve eyes with symptomatic CSC were included. Samples from patients with cataracts served as controls. The levels of VEGF and IL-8 concentrations were measured in aqueous humor and plasma by multiplex bead assays. All patients with CSC showed an improvement in visual acuity and resolved neurosensory detachment after intravitreal bevacizumab injection. The aqueous humor levels of VEGF and IL-8 were not significantly increased in patients with CSC compared with the healthy control group (18.2 ± 24.8 vs. 35.3 ± 28.5 pg/mL, P > 0.05; 2.3 ± 0.4 vs. 2.8 ± 0.3 pg/mL, P > 0.05, respectively). The plasma levels of VEGF and IL-8 in patients with CSC were not different from those in the healthy control group. Vascular endothelial growth factor and IL-8 were not increased in the aqueous humor and plasma of patients with CSC. The effect of intravitreal bevacizumab injection as a treatment for CSC must be fully understood, and the true effect of anti-VEGF treatment in patients with CSC remains to be elucidated.
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